![background image](http://html.mh-extra.com/html/sony/hcd-gn1100d/hcd-gn1100d_service-manual_420677031.webp)
31
31
HCD-GN1100D
HCD-GN1100D
7-5. BLOCK DIAGRAM – AMP SECTION –
IC801
POWER AMP
MUTING
Q604, 606, 610
F-R
DBFB F/B
F-L
SW OUT
STK MUTE
12
STK MUTE
FAN DET
FAN CONTROL
HI SPEED
OVER LOAD
DETECT
Q668, 618
+
+
+
+
MUTING
Q640, 641
MUTING
CONTROL
Q634,682
F-RELAY
HP-DET
HP-MUTE
OVER LOAD
DETECT
Q730, 770. 780, 800, 850
RELAY DRIVE
Q644, 647
H/P DET
F-RELAY
HP-MUTE
+
-
-
+
FRONT SPEAKER
SUB WOOFER
OUT
L
R
PHONES
J1103
RY646
TM600
M
FAN MOTOR
DRIVE
Q579, 585
DC FAN
M891
M
FAN MOTOR
DRIVE
Q587 - 589
DC FAN
M892
VL(AC)
TH629
THERMAL
DETECT
Q628, 630
SW MUTE
Q812
MUTE
Q810
+
RY862
TM101
RELAY DRIVE
Q814, 815
D624
D812
D550
Q648
-
HI SPEED
SWITCH
Q581, 582
• SIGNAL PATH
IC600
POWER AMP
IC550
OVER CURRENT
PROTECTOR
IC800
POWER AMP
FAN CONTROL
SWITCH
Q578
SR
CENTER
SL
+
REAR
SPEAKER
CENTER
SPEAKER
+
+
+
RY760
RY761
L
R
LINEMUTE
RELAY DRIVE
Q762
RELAY DRIVE
Q763
MUTE
Q750
MUTE
Q700
MUTE
Q740
-
-
-
TM701
TM700
D780
D765
: AUDIO
Summary of Contents for HCD-GN1100D
Page 105: ...105 HCD GN1100D MEMO ...